154705520

素因数分解:

$2^4\times 5^1\times {\mathrm{1933819}}^1$

素因数の和:1933832

約数の個数: 20

約数和(自身を含む): 359690520

約数和(自身を除く): 204985000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1933819, 3867638, 7735276, 9669095, 15470552, 19338190, 30941104, 38676380, 77352760, 154705520]

約数ペア:

[(1, 154705520), (2, 77352760), (4, 38676380), (5, 30941104), (8, 19338190), (10, 15470552), (16, 9669095), (20, 7735276), (40, 3867638), (80, 1933819)]